<?php
require_once 'function1.php';

$arr = [22,334,54,5,43,6,231,45,7,45,754,457];


reverse($arr);
print_r($arr);




if (insert($arr,3,'new')){
    echo '插入成功';
    print_r($arr);
} else {
	echo '插入失败';
}
  echo PHP_EOL;

